Fannie Sees a Way to Repay Billions

The rebounding housing market has helped return Fannie Mae to profitability and now might allow the government-controlled mortgage-finance company to do the once unthinkable: repay as much as $61.5 billion in rescue funds to the U.S. Treasury.

The potential payment would be the upshot of an accounting move that Fannie Mae's senior executives are looking to make whereby the company would reclaim certain tax benefits that were written down shortly after the company was placed under federal control in 2008. The potential...